July 1962-June 1963 The Commission conducted Operation Storax at the Nevada Test Site; all testswere underground. Operation Dominic II, conducted at the Nevada _ Test Site during July 1962 was the last above ground test series held in the United States. July 6, 1962 Project Plowshare's shot "Sedan" was detonated at the Nevada Test Site. October 1962 Cuban missile crisis. June 3-6, 1963 Joint Comittee on Atomic Energy held hearings on fallout and radiation. August 5, 1963 The Limited Nuclear Test Ban Treaty signed by the United States, Great Britain, and Soviet Union, banned nuclear tests in the oceans, atmosphere, and outer space. The Treaty took effect in November 1963. January 8, 1964 President Johnson announced a 25 percent reduction in the production of © enriched uranium and shutdown of four production reactors. December 10, 1967 Project "Gasbuggy," a Peaceful Nuclear Explosive, was detonated in New Mexico as part of Project Plowshare. It was the first joint government industry natural gas stimulation experiment. Project Rulison, September 10, 1969 and Project Rio Blanco May 17, 1973 were also gas stimulation experiments. The Camnmission detonated shot "Milrow” at Amchitka, Alaska. March 5, 1970 Ratification of the Treaty for the Nonproliferation of Nuclear Weapons by the United States, the United Kingda, and the Soviet Union and 45 other nations. August 17, 1971 James R. Schlesinger became chairman of the Atamic Energy Commission. November 6, 1971 The Commission detonated shot "“Cannikin" at Amchitka, Alaska. th October 2, 1969